package com.best.BlockQueue;

import java.util.concurrent.ArrayBlockingQueue;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * @author Jiang Akang
 * employeeId: BG435424
 * @date 2020/12/8
 **/
class MyResource {
    private volatile boolean Flag = true;//默认开启，进行生产+消费
    private AtomicInteger atomicInteger = new AtomicInteger();
    BlockingQueue<String> blockingQueue = null;
    public MyResource(BlockingQueue<String> blockingQueue) {
        this.blockingQueue = blockingQueue;
        System.out.println(blockingQueue.getClass().getName());
    }
    //生产者
    public void myProd() throws Exception {
        String data = null;
        boolean retValue;
        while (Flag) {
            data = atomicInteger.incrementAndGet() + "";//++i
            retValue = blockingQueue.offer(data, 2L, TimeUnit.SECONDS);
            if (retValue) {
                System.out.println(Thread.currentThread().getName() + "\t 插入队列" + data + "成功");
            } else {
                System.out.println(Thread.currentThread().getName() + "\t 插入队列" + data + "失败");
            }
            TimeUnit.SECONDS.sleep(1);
        }
        System.out.println(Thread.currentThread().getName() + "\t大老板叫停了，表示Flag=false，生产动作结束");
    }
    //消费者
    public void myConsumer() throws Exception {
        String result = null;
        while (Flag) {
            result = blockingQueue.poll(2L, TimeUnit.SECONDS);
            if (result == null || result.equalsIgnoreCase("")) {
                Flag = false;
                System.out.println(Thread.currentThread().getName() + "\t 超过2秒钟没有取到蛋糕，消费退出");
                System.out.println();
                System.out.println();
                return;
            }
            System.out.println(Thread.currentThread().getName() + "\t 消费队列蛋糕" + result + "成功");
        }
    }
    //停止
    public void stop() throws Exception {
        this.Flag = false;
    }
}
public class ProdConsumer_BlockQueueDemo {
    public static void main(String[] args) throws Exception {
        MyResource myResource = new MyResource(new ArrayBlockingQueue<>(10));
        new Thread(() -> {
            System.out.println(Thread.currentThread().getName() + "\t 生产线程启动");
            try {
                myResource.myProd();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }, "Prod").start();
        new Thread(() -> {
            System.out.println(Thread.currentThread().getName() + "\t 消费线程启动");
            System.out.println();
            System.out.println();
            try {
                myResource.myConsumer();
                System.out.println();
                System.out.println();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }, "Consumer").start();
        //暂停一会儿线程
        try {
            TimeUnit.SECONDS.sleep(5);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println();
        System.out.println();
        System.out.println();
        System.out.println("5秒钟时间到，大老板main线程叫停，活动结束");
        myResource.stop();
    }
}
